﻿<UserControl x:Class="C7.ColorPicker"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:Microsoft_Windows_Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Aero">
    <UserControl.Resources>
        <Style x:Key="ComboBoxFocusVisual">
            <Setter Property="Control.Template">
                <Setter.Value>
                    <ControlTemplate>
                        <Rectangle SnapsToDevicePixels="true" Margin="4,4,21,4" Stroke="Black" StrokeDashArray="1 2" StrokeThickness="1"/>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <LinearGradientBrush x:Key="ButtonNormalBackground" EndPoint="0,1" StartPoint="0,0">
            <GradientStop Color="#F3F3F3" Offset="0"/>
            <GradientStop Color="#EBEBEB" Offset="0.5"/>
            <GradientStop Color="#DDDDDD" Offset="0.5"/>
            <GradientStop Color="#CDCDCD" Offset="1"/>
        </LinearGradientBrush>
        <SolidColorBrush x:Key="ButtonNormalBorder" Color="#FF707070"/>
        <Geometry x:Key="DownArrowGeometry">M 0 0 L 3.5 4 L 7 0 Z</Geometry>
        <Style x:Key="ComboBoxReadonlyToggleButton" TargetType="{x:Type ToggleButton}">
            <Setter Property="OverridesDefaultStyle" Value="true"/>
            <Setter Property="IsTabStop" Value="false"/>
            <Setter Property="Focusable" Value="false"/>
            <Setter Property="ClickMode" Value="Press"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type ToggleButton}">
                        <Microsoft_Windows_Themes:ButtonChrome SnapsToDevicePixels="true" x:Name="Chrome" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" RenderMouseOver="{TemplateBinding IsMouseOver}" RenderPressed="{TemplateBinding IsPressed}">
                            <Grid HorizontalAlignment="Right" Width="{DynamicResource {x:Static SystemParameters.VerticalScrollBarWidthKey}}">
                                <Path HorizontalAlignment="Center" Margin="3,1,0,0" x:Name="Arrow" VerticalAlignment="Center" Fill="Black" Data="{StaticResource DownArrowGeometry}"/>
                            </Grid>
                        </Microsoft_Windows_Themes:ButtonChrome>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsChecked" Value="true">
                                <Setter Property="RenderPressed" TargetName="Chrome" Value="true"/>
                            </Trigger>
                            <Trigger Property="IsEnabled" Value="false">
                                <Setter Property="Fill" TargetName="Arrow" Value="#AFAFAF"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <LinearGradientBrush x:Key="TextBoxBorder" EndPoint="0,20" StartPoint="0,0" MappingMode="Absolute">
            <GradientStop Color="#ABADB3" Offset="0.05"/>
            <GradientStop Color="#E2E3EA" Offset="0.07"/>
            <GradientStop Color="#E3E9EF" Offset="1"/>
        </LinearGradientBrush>
        <Style x:Key="ComboBoxEditableTextBox" TargetType="{x:Type TextBox}">
            <Setter Property="OverridesDefaultStyle" Value="true"/>
            <Setter Property="AllowDrop" Value="true"/>
            <Setter Property="MinWidth" Value="0"/>
            <Setter Property="MinHeight" Value="0"/>
            <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type TextBox}">
                        <ScrollViewer Focusable="false" Background="Transparent" x:Name="PART_ContentHost" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden"/>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <Style x:Key="ComboBoxToggleButton" TargetType="{x:Type ToggleButton}">
            <Setter Property="OverridesDefaultStyle" Value="true"/>
            <Setter Property="IsTabStop" Value="false"/>
            <Setter Property="Focusable" Value="false"/>
            <Setter Property="ClickMode" Value="Press"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type ToggleButton}">
                        <Microsoft_Windows_Themes:ButtonChrome SnapsToDevicePixels="true" x:Name="Chrome" Width="{DynamicResource {x:Static SystemParameters.VerticalScrollBarWidthKey}}" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" RenderMouseOver="{TemplateBinding IsMouseOver}" RenderPressed="{TemplateBinding IsPressed}" RoundCorners="false">
                            <Path HorizontalAlignment="Center" Margin="0,1,0,0" x:Name="Arrow" VerticalAlignment="Center" Fill="Black" Data="{StaticResource DownArrowGeometry}"/>
                        </Microsoft_Windows_Themes:ButtonChrome>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsChecked" Value="true">
                                <Setter Property="RenderPressed" TargetName="Chrome" Value="true"/>
                            </Trigger>
                            <Trigger Property="IsEnabled" Value="false">
                                <Setter Property="Fill" TargetName="Arrow" Value="#AFAFAF"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <ControlTemplate x:Key="ComboBoxEditableTemplate" TargetType="{x:Type ComboBox}">
            <Grid SnapsToDevicePixels="true" x:Name="Placement">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*"/>
                    <ColumnDefinition Width="Auto"/>
                </Grid.ColumnDefinitions>
                <Popup AllowsTransparency="true" IsOpen="{Binding Path=IsDropDownOpen, RelativeSource={RelativeSource TemplatedParent}}" Placement="Bottom" PopupAnimation="{DynamicResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" x:Name="PART_Popup" Grid.ColumnSpan="2">
                    <Microsoft_Windows_Themes:SystemDropShadowChrome MaxHeight="{TemplateBinding MaxDropDownHeight}" MinWidth="{Binding Path=ActualWidth, ElementName=Placement}" x:Name="Shdw" Color="Transparent">
                        <Border x:Name="DropDownBorder" Background="{DynamicResource {x:Static SystemColors.WindowBrushKey}}" BorderBrush="{DynamicResource {x:Static SystemColors.WindowFrameBrushKey}}" BorderThickness="1">
                            <ScrollViewer>
                                <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" KeyboardNavigation.DirectionalNavigation="Contained"/>
                            </ScrollViewer>
                        </Border>
                    </Microsoft_Windows_Themes:SystemDropShadowChrome>
                </Popup>
                <Microsoft_Windows_Themes:ListBoxChrome x:Name="Border" Grid.ColumnSpan="2" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" RenderFocused="{TemplateBinding IsKeyboardFocusWithin}" RenderMouseOver="{TemplateBinding IsMouseOver}"/>
                <TextBox HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Margin="{TemplateBinding Padding}" x:Name="PART_EditableTextBox" Style="{StaticResource ComboBoxEditableTextBox}" IsReadOnly="{Binding Path=IsReadOnly, RelativeSource={RelativeSource TemplatedParent}}"/>
                <ToggleButton Style="{StaticResource ComboBoxToggleButton}" Grid.Column="1" IsChecked="{Binding Path=IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"/>
            </Grid>
            <ControlTemplate.Triggers>
                <Trigger Property="IsKeyboardFocusWithin" Value="true">
                    <Setter Property="Foreground" Value="Black"/>
                </Trigger>
                <Trigger Property="IsDropDownOpen" Value="true">
                    <Setter Property="RenderFocused" TargetName="Border" Value="true"/>
                </Trigger>
                <Trigger Property="HasItems" Value="false">
                    <Setter Property="Height" TargetName="DropDownBorder" Value="95"/>
                </Trigger>
                <Trigger Property="IsEnabled" Value="false">
                    <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                    <Setter Property="Background" Value="#FFF4F4F4"/>
                </Trigger>
                <Trigger Property="IsGrouping" Value="true">
                    <Setter Property="ScrollViewer.CanContentScroll" Value="false"/>
                </Trigger>
                <Trigger Property="HasDropShadow" SourceName="PART_Popup" Value="true">
                    <Setter Property="Margin" TargetName="Shdw" Value="0,0,5,5"/>
                    <Setter Property="Color" TargetName="Shdw" Value="#71000000"/>
                </Trigger>
            </ControlTemplate.Triggers>
        </ControlTemplate>
        <Style x:Key="ComboBoxStyle" TargetType="{x:Type ComboBox}">
            <Setter Property="FocusVisualStyle" Value="{StaticResource ComboBoxFocusVisual}"/>
            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.WindowTextBrushKey}}"/>
            <Setter Property="Background" Value="{DynamicResource ButtonNormalBackground}"/>
            <Setter Property="BorderBrush" Value="{StaticResource ButtonNormalBorder}"/>
            <Setter Property="BorderThickness" Value="1"/>
            <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/>
            <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/>
            <Setter Property="Padding" Value="4,3"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type ComboBox}">
                        <Grid SnapsToDevicePixels="true" x:Name="MainGrid">
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition MinWidth="{DynamicResource {x:Static SystemParameters.VerticalScrollBarWidthKey}}" Width="0"/>
                            </Grid.ColumnDefinitions>
                            <Popup AllowsTransparency="true" IsOpen="{Binding Path=IsDropDownOpen, RelativeSource={RelativeSource TemplatedParent}}" Placement="Bottom" PopupAnimation="{DynamicResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" Margin="1" x:Name="PART_Popup" Grid.ColumnSpan="2">
                                <Microsoft_Windows_Themes:SystemDropShadowChrome MaxHeight="{TemplateBinding MaxDropDownHeight}" MinWidth="{Binding Path=ActualWidth, ElementName=MainGrid}" x:Name="Shdw" Color="Transparent">
                                    <Border x:Name="DropDownBorder" Background="{DynamicResource {x:Static SystemColors.WindowBrushKey}}" BorderBrush="{DynamicResource {x:Static SystemColors.WindowFrameBrushKey}}" BorderThickness="1">
                                        <ScrollViewer CanContentScroll="true">
                                            <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" KeyboardNavigation.DirectionalNavigation="Contained"/>
                                        </ScrollViewer>
                                    </Border>
                                </Microsoft_Windows_Themes:SystemDropShadowChrome>
                            </Popup>
                            <ToggleButton Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" Style="{StaticResource ComboBoxReadonlyToggleButton}" Grid.ColumnSpan="2" IsChecked="{Binding Path=IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"/>
                            <ContentPresenter IsHitTestVisible="false" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Content="{TemplateBinding SelectionBoxItem}" ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}" ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}"/>
                        </Grid>
                        <ControlTemplate.Triggers>
                            <Trigger Property="HasDropShadow" SourceName="PART_Popup" Value="true">
                                <Setter Property="Margin" TargetName="Shdw" Value="0,0,5,5"/>
                                <Setter Property="Color" TargetName="Shdw" Value="#71000000"/>
                            </Trigger>
                            <Trigger Property="HasItems" Value="false">
                                <Setter Property="Height" TargetName="DropDownBorder" Value="95"/>
                            </Trigger>
                            <Trigger Property="IsEnabled" Value="false">
                                <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                                <Setter Property="Background" Value="#FFF4F4F4"/>
                            </Trigger>
                            <Trigger Property="IsGrouping" Value="true">
                                <Setter Property="ScrollViewer.CanContentScroll" Value="false"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
            <Style.Triggers>
                <Trigger Property="IsEditable" Value="true">
                    <Setter Property="BorderBrush" Value="{StaticResource TextBoxBorder}"/>
                    <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"/>
                    <Setter Property="IsTabStop" Value="false"/>
                    <Setter Property="Padding" Value="3"/>
                    <Setter Property="Template" Value="{StaticResource ComboBoxEditableTemplate}"/>
                </Trigger>
            </Style.Triggers>
        </Style>
    </UserControl.Resources>
    <Grid x:Name="LayoutRoot">
        <Rectangle Fill="#FFF0F0F0" Stroke="#FFA1A1A1" RadiusX="4.5" RadiusY="4.5" Width="94" HorizontalAlignment="Left"/>
        <ComboBox IsSynchronizedWithCurrentItem="True" SelectedIndex="0" BorderBrush="#FFCECECE" Margin="34.793,3.04,0,0" x:Name="ColorComboBox" VerticalAlignment="Top" Height="21.96" Width="50" HorizontalAlignment="Left" SelectionChanged="ColorSelected" Style="{DynamicResource ComboBoxStyle}">
            <ComboBoxItem Width="Auto" Height="Auto">
                <Canvas VerticalAlignment="Stretch" Width="40" Height="17">
                    <Rectangle Height="10" Fill="#FF000000" Stroke="#FF000000" Width="15" RadiusY="4" RadiusX="4" Canvas.Top="4" Canvas.Left="5" StrokeThickness="0.5"/>
                </Canvas>
            </ComboBoxItem>
            <ComboBoxItem Width="48" Height="17" Background="#002E1313">
                <Canvas VerticalAlignment="Stretch" Width="40" Height="17">
                    <Rectangle Height="10" Fill="#FF0068FF" Stroke="#FF000000" Width="15" RadiusX="4" RadiusY="4" Canvas.Left="5" Canvas.Top="4" StrokeThickness="0.5"/>
                </Canvas>
            </ComboBoxItem>
            <ComboBoxItem Width="48" Height="17">
                <Canvas VerticalAlignment="Stretch" Width="40" Height="17">
                    <Rectangle Height="10" Fill="#FFFFA200" Stroke="#FF000000" Width="15" RadiusX="4" RadiusY="4" Canvas.Left="5" Canvas.Top="4" StrokeThickness="0.5"/>
                </Canvas>
            </ComboBoxItem>
            <ComboBoxItem Width="48" Height="17">
                <Canvas VerticalAlignment="Stretch" Width="40" Height="17">
                    <Rectangle Height="10" Fill="#FF4DFF00" Stroke="#FF000000" Width="15" RadiusX="4" RadiusY="4" Canvas.Left="5" Canvas.Top="4" StrokeThickness="0.5"/>
                </Canvas>
            </ComboBoxItem>
            <ComboBoxItem Width="48" Height="17">
                <Canvas VerticalAlignment="Stretch" Width="40" Height="17">
                    <Rectangle Height="10" Fill="#FFFF18FA" Stroke="#FF000000" Width="15" RadiusX="4" RadiusY="4" Canvas.Left="5" Canvas.Top="4" StrokeThickness="0.5"/>
                </Canvas>
            </ComboBoxItem>
            <ComboBoxItem Width="48" Height="17">
                <Canvas VerticalAlignment="Stretch" Width="40" Height="17">
                    <Rectangle Height="10" Fill="#FF00738C" Stroke="#FF000000" Width="15" RadiusX="4" RadiusY="4" Canvas.Left="5" Canvas.Top="4" StrokeThickness="0.5"/>
                </Canvas>
            </ComboBoxItem>
            <ComboBoxItem Width="48" Height="17">
                <Canvas VerticalAlignment="Stretch" Width="40" Height="17">
                    <Rectangle Height="10" Fill="#FF8C8C8C" Stroke="#FF000000" Width="15" RadiusX="4" RadiusY="4" Canvas.Left="5" Canvas.Top="4" StrokeThickness="0.5"/>
                </Canvas>
            </ComboBoxItem>
            <ComboBoxItem Width="48" Height="17">
                <Canvas VerticalAlignment="Stretch" Width="40" Height="17">
                    <Rectangle Height="10" Fill="#FFF2FF00" Stroke="#FF000000" Width="15" RadiusX="4" RadiusY="4" Canvas.Left="5" Canvas.Top="4" StrokeThickness="0.5"/>
                </Canvas>
            </ComboBoxItem>
            <ComboBoxItem Width="48" Height="17">
                <Canvas VerticalAlignment="Stretch" Width="40" Height="17">
                    <Rectangle Height="10" Fill="#FFFFFFFF" Stroke="#FF000000" Width="15" RadiusX="4" RadiusY="4" Canvas.Left="5" Canvas.Top="4" StrokeThickness="0.5"/>
                </Canvas>
            </ComboBoxItem>
            <ComboBoxItem Width="48" Height="17">
                <Canvas VerticalAlignment="Stretch" Width="40" Height="17">
                    <Rectangle Height="10" Fill="#FF554233" Stroke="#FF000000" Width="15" RadiusX="4" RadiusY="4" Canvas.Left="5" Canvas.Top="4" StrokeThickness="0.5"/>
                </Canvas>
            </ComboBoxItem>
        </ComboBox>
    </Grid>
</UserControl>
